127.0.0.1	localhost
127.0.1.1      mx1.example.dom mx1

# The following lines are desirable for IPv6 capable hosts
::1		localhost ip6-localhost ip6-loopback
fe00::0		ip6-localnet
ff00::0		ip6-mcastprefix
ff02::1		ip6-allnodes
ff02::2		ip6-allrouters

